[PATCH 1/2] mm/vmalloc: Export purge_vmap_area_lazy()

[MJ embd]

On Wed, Mar 24, 2010 at 1:26 PM, Benjamin Herrenschmidt
<benh at kernel.crashing.org> wrote:
> Some powerpc code needs to ensure that all previous iounmap/vunmap has
> really been flushed out of the MMU hash table. Without that, various
> hotplug operations may fail when trying to return those pieces to
> the hypervisor due to existing active mappings.
Are you talking about KVM or any other hypervisor ?